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21
votes
7answers
15k views

How can I extract audio from MP4 or FLV video files?

Is there an application that allows me to extract the audio from a MP4 or FLV video file and store it as an MP3 file for use in a portable media player?
15
votes
5answers
5k views

Converting DJVU to PDF

I want to convert a DJVU document into a PDF document, separating and preserving the text layer and the images while also keeping the structure from the DJVU. How can I do this in Ubuntu? (I will ...
13
votes
5answers
14k views

How can I view a Microsoft Publisher .pub file?

I need to view a .pub file. How can I view the file or convert it to a more mainstream format (such as a PDF?)
11
votes
2answers
8k views

How can I convert a .m2ts to .mkv?

Does anyone know of an application that allows me to convert an m2ts file to mkv or some other format? Preferably something that allows me to convert it directly, rather than convert the whole Blu-ray ...
8
votes
3answers
8k views

Convert filesystem NTFS -> EXT4?

I have 2 TB of data on an NTFS drive which I would like to convert to EXT4 filesystem. My OS runs on a (comparatively) small 60GB SSD. Is there any way to convert the filesystem, apart from backing ...
8
votes
3answers
2k views

Convert lossless m4a to flac

I tried to convert a file with pacpl, but I get the well-known "256" error. With the -v flag, the FAQ of pacpl tells me: "The file you are trying to convert is a lossless .m4a file. The format ...
8
votes
4answers
4k views

Convert PDF to image

I'm trying to convert a PDF file (it's a book) into an image. When I using convert like this convert book.pdf book.jpg or like this convert book.pdf book.png then I get this warning Warning: ...
8
votes
5answers
4k views

How to convert a .pdf file into a folder of images?

I have some .pdf files that I would like to convert to my preferred reading format of .cbr or .cbz or, if this isn't directly possible, I need to extract all pages from the .pdf as images and then ...
8
votes
5answers
6k views

How to convert a m4a sound file to mp3?

I tried with: $ ffmpeg -i music.m4a music.mp3 but I got a zero bytes file. The output was: FFmpeg version 0.6-4:0.6-2ubuntu6.2, Copyright (c) 2000-2010 the FFmpeg developers built on Sep 16 2011 ...
7
votes
1answer
2k views

How to convert wav to ogg and mp3 using VBR

How to convert wav to ogg and to mp3 with VBR and excellent end quality? If possible, using soundconverter or ffmpeg. Incidentally, I tried to see whether soundconverter uses VBR and there is ...
6
votes
2answers
3k views

How to exchange/remove/overwrite a PDF's background?

as the title says I want to change background of a PDF. This are some slides, and to save toner I thought it would be good to change the background to white. I tried pdftk with its operations: ...
5
votes
4answers
660 views

How to convert all pdf files to text (within a folder) with one command?

I know that I can convert pdf files to text files one by one like this : $ pdftotext filename.pdf But is there a single command that would make that conversion without specifying separate file ...
5
votes
5answers
3k views

bulk/batch convert mp3 files to ogg via command line?

is it possible to convert mp3 to ogg via command line? I'd like to just in a bulk swoop convert my mp3 files to ogg so i can play them in firefox without any issues.
5
votes
2answers
2k views

How can I convert .epub files to plain text?

I'm able to view an epub file in, say, okular, select all the text and copy-paste into a text editor. I'd like a command line method - anyone know of such a thing?
5
votes
3answers
11k views

How to convert image to CMYK in GIMP?

I am supposed to send some artwork to the printers tomorrow and their guidelines requires it to be CMYK. I have installed the plugin Separate+ from the 'gimp-plugin-registy' package. I have also ...
5
votes
4answers
693 views

How do I convert wma files to ogg?

I have installed "Sound Converter" but I keep getting an error when I try to use it. It first tells me that I need a plugin that is not installed (so I have it search) then it reports "Failed to ...
4
votes
1answer
46 views

How can I batch convert images to b/w while preserving the folder structure

I want to batch process images but I have a very specific task that I want to do I do not want to change image type I want to make them black and white I want it to create/preserve images and sub ...
4
votes
2answers
232 views

ImageMagick convert can't convert to webp

On Ubuntu 12.04 ImageMagick doesn't seem to support webp. convert flyer.png flyer.webp creates an png file with webp extension. On https://developers.google.com/speed/webp/docs/using is stated that ...
4
votes
1answer
5k views

How to save files in pdf format?

Lately I have been having trouble with my Libre Office ap. I appears that it doesn't have anymore the Save to PDF command. Do you guys know any way around this problem? I looked around for converters ...
4
votes
2answers
597 views

How to convert WMA lossless to FLAC?

I have some CDs that I want to convert to FLAC. Banshee can't find their metadata, but Windows Media Player can. I figured there are two workarounds: Rip all CDs using Windows Media Player ...
4
votes
2answers
1k views

How can I convert my FLAC music collection to Apple Lossless?

I have a reasonable sized music collection that I keep in FLAC format on my Ubuntu laptop. I'd like to start playing this music on my Mac, and to sync it from there to my iPod. People have suggested ...
4
votes
1answer
319 views

How to stop Banshee from converting my music to mp3?

When I am synchronizing my music with Banshee, it stars converting my music into mp3. How can I stop Banshee to convert my music and make it just copying it? My player can play nearly every ...
4
votes
5answers
4k views

How can I convert .mp4 files to .3gp using ffmpeg?

I would like to download a few videos from youtube and convert them to 3gp so that I can play them on my phone. I would like to know how this can be done using ffmpeg. I tried the various results on ...
3
votes
2answers
1k views

How can I convert an AVI file to a Blackberry-compatible format?

I need a program to convert an AVI file to a format compatible with my Blackberry. On Windows, I've tried format factory and converted the .avi file to .3gp, but the output is of very bad quality.
3
votes
2answers
604 views

Is there a GUI to convert/extract images to/from pdf?

I mean something like a graphical interface / front end for Imagemagick or a simpler application that would allow converting/extracting images through the interface (not in the Terminal).
3
votes
1answer
146 views

convert several png to one pdf

I have 280 pgn files that I want to merge and convert into one pdf. PNG files names are in the sequence p000.png, p001.png etc and total space is about 30mb. I did: convert p00*.png to myfile.pdf ...
3
votes
2answers
2k views

How to batch convert an image to a PDF?

I want to batch convert images (jpg, png, etc.) to PDF. Converting them directly to PDF is easy with: convert in.jpg out.pdf However I need some more options, such as setting the output page size, ...
2
votes
3answers
218 views

How to convert `rm` and `ra` audio files to mp3 in (L)ubuntu?

I have radio programs that I have obtained with the extension rm and ra. How to convert them to mp3 or other more common type?
2
votes
2answers
296 views

How to convert AC3 to Flac and apply a delay?

I have a MKV video file. The audio track is ac3. I extracted the AC3 and now want to convert it to Flac. But I need to add a delay/offset of 150ms. The offset should be permanent; the actual duration ...
2
votes
3answers
3k views

converting images to pdf without quality loss

I am converting images to PDFs. I use following command convert page.jpg page.pdf and then combine multiple PDFs generated accordingly by command pdftk 1.pdf 2.pdf output result.pdf but I ...
2
votes
4answers
307 views

what is the best video converter software to be played in iPhone & iPod?

what is the best video converter software to be played in iPhone & iPod? how to convert video to be played in iPhone & iPod?
2
votes
2answers
146 views

How to convert multiple files to mp3 in Thunar custom actions?

I have added a simple command avconv -i %f %f.mp3 to Thunar's custom actions to convert a selected media file to mp3 (in the same folder and with the same name). What would be the command that can ...
2
votes
2answers
108 views

Why converting a flv file to mp3 I got a bigger file?

Converting a flv music file from youtube to mp3 with Audacity I got a bigger file than the initial flv. I guess I have set too big a bit-rate or something like that that has artificially inflated the ...
2
votes
1answer
7k views

How can I convert a 1080p wmv video to a 720p video?

I have a 1080p wmv video that I'd like to convert to a lower quality (preferably 720p) video. I would like to keep the audio intact. How can I accomplish this in Ubuntu?
2
votes
1answer
143 views

Is there a way to batch export SVGs to PNGs?

I have these SVGS and I'd like to export them to PNG images, I could export them with Inkscape but that would mean open each file and export that file to PNG which is not efficient (I have hundreds of ...
2
votes
2answers
749 views

Mix down 5.1 AC3 to Stereo WAV?

I wonder if I can mix down a 5.1 AC3 file to Stereo WAV file, i.e. 6-channel > 2-channel. I'd like to know how to do this with via terminal with ffmpeg (or avconv, because it says ffmpeg is ...
2
votes
1answer
2k views

How to convert from from ubuntu desktop 11.04 to ubuntu server 11.04

How to convert from from ubuntu desktop 11.04 to ubuntu server 11.04 What does the below command do? sudo apt-get install linux-headers-server linux-image-server linux-server
2
votes
1answer
372 views

Modify Multiple Images From Console

I know convert changes from a image format to another. mogrify can resize and scale multiple images also. But HOW can i modify all images inside a directory, including the sub-directories. Like for ...
2
votes
1answer
60 views

How to convert multiple files to png (instead of one) in Thunar custom actions?

I have added convert %f %f.png to Thunar's custom actions to convert a selected image to png. What would be the command that can be added in the same way that would allow selecting multiple files or ...
2
votes
2answers
99 views

How to convert flv file(s) to mp3 from PCManFM's (Open with) context menu?

Opening a terminal in a folder that contains a flv file called "one" (one.flv) and running this command: ffmpeg -i one.flv one.mp3 the flv file is converted to mp3 with the same name and in the same ...
1
vote
2answers
17k views

How can I convert IDX/SUB DVD subtitles into a text SRT subtitle file?

I have a pair of .idx/.sub subtitle files with multiple languages and I need to convert them to single-language .srt files because neither Totem nor Gnome Mplayer can show that type of subtitles.
1
vote
3answers
1k views

How to convert TIFF scan file to JPEG or PNG general file format in Ubuntu?

How can i convert this scanned file to general JPEG/PNG? I used scanimage --mode=color --format=tiff > /tmp/testing.tiff from a scanner $ convert -seperate testing.tiff testing.jpeg convert: ...
1
vote
1answer
56 views

What (input) types of files can avconv convert and to what (output) files?

I like to use simple commands (in Thunar custom actions), like avconv -i %f %f.mp3. I can replace mp3 with flac for example - but what other output extensions can be used? Also, in Thunar custom ...
1
vote
1answer
31 views

What (input) types of files can ffmpeg convert and to what (output) files?

I like to use simple commands (added to Thunar custom actions), like ffmpeg -i %f %f.mp3. I can replace mp3 with flac for example - but what other output extensions can be used? Also, in Thunar ...
1
vote
1answer
328 views

How to convert audio files in Deadbeef player?

I t looks like Deadbeef player should convert between different audio formats just by right-clicking and selecting "Convert" But after that and a few seconds of delay as if working nothing ...
1
vote
2answers
2k views

How to convert .avi video to .mp4(for Motorola Milestone, Android 2.3.4) with Avidemux

I open .avi video with Avidemux and I set Video format to MPEG-4 AVC(under Configure, Bitrate tab I choose "Single Pass - Bitrate (Average)" and Target bitrate to 256 kb/s, under Filters I choose ...
1
vote
2answers
85 views

converting djvu to pdf trouble with this OCR preserving code

I want to convert djvu to pdf while preserving OCR. This page describes how to do so, I am getting a blank html file. now in the directory cd /home/steven/Documents/djvu2pdf/1/ djvu2hocr -p 1 ...
1
vote
1answer
85 views

Why my computer fails when converting many images in Imagemagick with one command?

After updating to Precise had a few times the following mishap: when I try to convert to pdf many (100, 200) jpegs or pngs, my system gets completely stuck and need hard reboot. Or, more fortunately, ...
1
vote
1answer
1k views

How to add Fade-out and Fade-in Effects by convert command?

convert command can make the mpeg video from the several pictures. For example: convert -delay 300 *.png test.mpg Well, is it possible to add Fade-out and Fade-in effects into the mpeg video by ...
1
vote
3answers
728 views

Is there now any way to convert mp3 files to m4a or aac 192kbit?

Since about two years now I am trying to find a way to convert high quality mp3 files to m4a or aac files with a fixed bitrate 192k. Please don't suggest using another format - i thought this through ...

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